Servers with one or two processor sockets are subject to additional idle state power and active efficiency requirements as set out in Annex II.2 of the regulation. PSU efficiency and power factor requirements (Annex II.1.1), materials efficiency (Annex II.1.2) and information (i.e. data reporting) requirements (Annex II.3) are the same for all servers in scope to the regulation. To be noted that the regulation excludes from the scope servers with more than 4 processor sockets.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.